Apparatus, system, and method for gamma correction of...

Details Apparatus, system, and method for gamma correction of... Apparatus, system, and method for gamma correction of...

2006-07-25

2006-07-25

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S428000, C345S589000, C345S593000, C345S598000, C382S167000, C382S261000, C382S264000, C382S269000

Reexamination Certificate

active

07081902

ABSTRACT:
A graphics processor performed gamma correction of the coverage values of pixels. In one embodiment, a gamma correction factor is written into a run-time loadable lookup table of the graphics processor. The gamma corrected coverage values may be used in an anti-aliasing process to form smoothed primitives.

REFERENCES:
patent: 6522329 (2003-02-01), Ihara et al.
patent: 6606093 (2003-08-01), Gossett et al.
patent: 6671000 (2003-12-01), Cloutier
patent: 2002/0158885 (2002-10-01), Brokenshire et al.
Crow; “The Use of Grayscale for Improved Raster Display of Vectors and Characters;”University of Texas, Austin, Texas; Work supported by the National Science Foundation under Grants MCS 76-83889; pp. 1-5.
Boyer, et al.; “Discrete Analysis for Antialiased Lines;”Eurographics2000; 3 Pages.

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